Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...322l..17m&link_type=abstract
Astronomy and Astrophysics, v.322, p.L17-L20
Astronomy and Astrophysics
Astrophysics
15
Pulsars: General, Pulsars: Individual: Psr 0355+54, Psr 2021+51, Radiation Mechanisms: Miscellaneous
Scientific paper
Pulsed radio emission at 87GHz has been detected from the pulsar PSR B0355+54. The observed flux density of 0.5+/-0.2mJy is, within the measurement errors, the same as measured previously at 43GHz and is thus higher than expected. However the errors are such that all the measurements at frequencies higher than 1.2GHz are just consistent with a single power law spectrum. A second pulsar, PSR B2021+51, with a reported excess of flux density at 43GHz, has been observed but not detected. The resulting upper limit for the flux density provides little constraint on the form of its spectrum above 43GHz.
Brunswig Walter
Butin Gilles
Grewing Michael
Jessner Axel
Kramer Mallie Mae
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